• Boiler Operator Engineer 1st Class

    Post Holdings Inc. (Chaska, MN)
    …Operate and maintain all engine room and other equipment including ammonia refrigeration , boilers, pumps, compressors, condensers, and electrical systems. ... areas of responsibility. + Monitor and maintain plant steam production, ammonia refrigeration system, and the plant compressed air system. + Document all… more
    Post Holdings Inc. (12/16/25)
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  • Maintenance Lead (Utilities) - Saint Paul, MN…

    Sprung Services, Inc. (St. Paul, MN)
    …motor control, relay control, process control, and packaging equipment Experience with ammonia refrigeration systems preferred Certifications or licenses may be ... Perform other duties as assigned. Education and Experience First Class B Boiler Engineer License High school diploma or equivalent Trade school or technical school… more
    Sprung Services, Inc. (11/26/25)
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  • Maintenance Lead (Utilities)

    Dairy Farmers of America (St. Paul, MN)
    …control, relay control, process control and packaging equipment . Experience with ammonia refrigeration systems preferred . Certification and/or License - may ... as required **Requirements** **EDUCATION AND EXPERIENCE** **.** First Class B boiler engineer License . High school diploma or equivalent . Graduation from trade… more
    Dairy Farmers of America (11/18/25)
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  • Boiler Operator - Night Shift

    Post Holdings Inc. (Gaylord, MN)
    …(GED) or equivalent + Boiler license needed is a Minnesota State 2 nd Class Engineer Grade B or higher. If not, employee must obtain this license within 1.5 years ... of experience as a utility's maintenance operator with an emphasis on steam or refrigeration preferred + Trained and competent in the equivalent of MFI UMOL1 & UMOL2… more
    Post Holdings Inc. (11/21/25)
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